Home / 108,628,288.80-162,971,301.60-47,191,084.80

Finding the Fourth Proportional to 108,628,288.80, 162,971,301.60 and 47,191,084.80

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Solution

The fourth proportional to 108,628,288.80, 162,971,301.60 and 47,191,084.80 is: 70,799,168.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,628,288.80 : 162,971,301.60 = 47,191,084.80 : x
  2. Step 2: Convert to fraction form
    108,628,288.80/162,971,301.60 = 47,191,084.80/x
  3. Step 3: Cross multiply
    108,628,288.80x = 162,971,301.60 × 47,191,084.80
  4. Step 4: Simplify right side
    108,628,288.80x = 7,690,792,513,771,975
  5. Step 5: Solve for x
    x = 7,690,792,513,771,975/108,628,288.80
  6. Step 6: Final answer
    x = 70,799,168.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.